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From: brentcarnellis@hotmail.com
Newsgroups: comp.lang.ada
Subject: Re: More Uniform Ada libraries (was: Proving Correctness)
Date: Thu, 06 Sep 2001 05:08:02 GMT
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Date: 2001-09-06T05:08:02+00:00
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On Wed, 05 Sep 2001 08:13:31 -0500, "Samuel T. Harris"
<u61783@gsde.hou.us.ray.com> wrote:

>brentcarnellis@hotmail.com wrote:
>> 
>> On Wed, 05 Sep 2001 00:01:17 GMT, "Jeff Creem" <jeff@thecreems.com>
>> wrote:
>> >
>> >Hmm.. I have had my share of complaints over the years with Apex but not
>> >doing Text_IO.Get_Line correctly was never one of them...There are probably
>> >literally > 100 million lines of code of Ada compiled with Apex deployed in
>> >the world so to
>> >assume that it is that broken on a regular basis is.....odd..
>> 
>> Yes, once fixed it will be a regression test nightmare for Rational.
>> For example, if you do the following, don't expect it to work over a
>> remote pipe.
>> 
>> with Text_IO;
>> procedure Hello_World is
>>    Text : String(1..100);
>>    Len : Integer;
>> begin
>>    loop
>>       Text_IO.Get_Line(Text, Len);
>>       Text_IO.Put_Line("[Hello World] " & Text(1..Len));
>>    end loop;
>> end;
>> 
>> $ rsh ilab-02 hello_world
>> eat me
>> where is the response?
>> [Hello World] eat me
>> what?
>> [Hello World] where is the response?
>> what?
>> [Hello World] what?
>> thanks
>> [Hello World] what?
>> you suck
>> [Hello World] thanks
>> bye
>> [Hello World] you suck
>
>Funny, my rather dated Apex 2.0.8D for SGI IRIX 5
>works with no problems (and that Apex is, what, over
>4 years old).
>
>And my VADS 621.52 works as well (and that is a
>pre-Rational true-blue Verdix compiler).

That's why I mentioned the regression test scenario. 
In your particular case, Apex Get_Line apparently provided utility
at one time but current versions are unusable over a remote pipe.